Suggestion: using one rotor, double the number of rigid 1 m x 0.2 m blades (6 instead of 3), double the diameter, then measure. But please don’t make it if it is too dangerous.
Suggestion: using one rotor, double the number of rigid 1 m x 0.2 m blades (6 instead of 3), double the diameter, then measure. But please don’t make it if it is too dangerous.